90209665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 136187136

約数和(自身を除く): 45977471

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 151, 169, 455, 505, 707, 755, 845, 1057, 1183, 1313, 1963, 3535, 5285, 5915, 6565, 9191, 9815, 13741, 15251, 17069, 25519, 45955, 68705, 76255, 85345, 106757, 119483, 127595, 178633, 198263, 533785, 597415, 893165, 991315, 1387841, 2577419, 6939205, 12887095, 18041933, 90209665]

約数ペア:

[(1, 90209665), (5, 18041933), (7, 12887095), (13, 6939205), (35, 2577419), (65, 1387841), (91, 991315), (101, 893165), (151, 597415), (169, 533785), (455, 198263), (505, 178633), (707, 127595), (755, 119483), (845, 106757), (1057, 85345), (1183, 76255), (1313, 68705), (1963, 45955), (3535, 25519), (5285, 17069), (5915, 15251), (6565, 13741), (9191, 9815)]